上下一心

wǒ men bì xū shàng xià yī xīn tuán jié yí zhì wèi xīn jiā pō wèi lái de guāng míng qián tú zuò chū gèng dà de nǔ lì

我们必须上下一心，团结一致，为新加坡未来的光明前途，作出更大的努力。

We must unite as one and make greater efforts for the bright future of Singapore.